Brazos Dwarf Crayfish vs Brown Diving Beetle

Cambarellus texanus compared with Agabus brunneus

Key Differences

• Brazos Dwarf Crayfish is Least Concern while Brown Diving Beetle is Extinct.

Taxonomic Classification

Rank	Brazos Dwarf Crayfish	Brown Diving Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Malacostraca (Crustaceans)	Insecta (Insects)
Order	Decapoda (Decapoda)	Coleoptera (Beetles)
Family	Cambaridae	Dytiscidae
Genus	Cambarellus	Agabus
Species	Cambarellus texanus	Agabus brunneus

Evolutionary Relationship

Brazos Dwarf Crayfish and Brown Diving Beetle share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Brazos Dwarf Crayfish

LC — Least Concern

Brown Diving Beetle

EX — Extinct

Physical Characteristics

Attribute	Brazos Dwarf Crayfish	Brown Diving Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brazos Dwarf Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in Norway.

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Brazos Dwarf Crayfish

The Brazos Dwarf Crayfish (Cambarellus texanus) is a species in the genus Cambarellus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

Brown Diving Beetle

The Brown Diving Beetle (Agabus brunneus) is a species in the genus Agabus. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.